| Package | Affected versions | Patched versions |
|---|---|---|
| mariadb | < 10.0.30 | 10.0.30 |
| mysql | < 5.6.36 | 5.6.36 |
The installation scripts in the Gentoo dev-db/mysql, dev-db/mariadb, dev-db/percona-server, dev-db/mysql-cluster, and dev-db/mariadb-galera packages before 2017-09-29 have chown calls for user-writable directory trees, which allows local users to gain privileges by leveraging access to the mysql account for creation of a link.
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